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Re: C Optimization, Pentium 4, 4 May 2004, tree-ssa/3.5/3.4/icc
- From: Steven Bosscher <stevenb at suse dot de>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: Scott Robert Ladd <coyote at coyotegulch dot com>,gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Tue, 4 May 2004 16:42:11 +0200 (CEST)
- Subject: Re: C Optimization, Pentium 4, 4 May 2004, tree-ssa/3.5/3.4/icc
- Organization: SuSE Linux AG
- References: <4097A5D0.4090702@coyotegulch.com><1083681162.11095.176.camel@localhost.localdomain>
On May 04, 2004 04:32 PM, Diego Novillo <dnovillo@redhat.com> wrote:
> On Tue, 2004-05-04 at 10:16, Scott Robert Ladd wrote:
>
> > test tree-ssa mainline 3.4.1 ICC 8.0
> > ---- -------- -------- -------- --------
> > alma 67.4 67.9 18.9 22.0
> > [...]
> >
> > Congratulations! Tree-ssa now beats ICC on the infamous "alma"
> > benchmark. Good stuff.
> >
> Don't you mean, tree-ssa gets clobbered by ICC? 67 secs is a lot longer
> than 22 secs.
That would still be mainline gets clobbered by ICC. Every now and then we like to
forget so, but tree-ssa is still based on mainline ;-)
But 3.4.1 _is_ faster, looks like we have a serious regression here :-(
Gr.
Steven